Core tray



FIG. 1 is a top perspective view of the core tray showing my new design, with the end portion shown broken away to indicate indeterminate length;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a left end view thereof; and,

FIG. 7 is a right end view thereof. 

The ornamental design for a core tray, as shown and described. 